About: http://webisa.webdatacommons.org/14522205

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	The obturator 2 shown in FIG. 52 has a tapering (corresponding to piercing tip 3) 131 with a triangle section at the front end of a rod-shaped obturator body 130 formed of insulation materials such as ceramics and plastics.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com